Stress Control Tube
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Insultube-Stress is manufactured from Radiation Cross -linked Polymeric material. The specially designed chemical formulation and manufacturing technology allows it to control High Electrical Stress present at Insulation Screen Terminals and Power Cable Joints upto 36KV.
Features and Benefits
- Electric Stress Relief Tubing
- Opperation Temperature:-40°C to 100°C
- Minimum Shrink Temperature:100°C
- Minimum fully Shrink Temperature:130°C
- Standard Color:Black
Diagram
Selection Chart
Selection Chart
| Code | D Min. (mm) | d Max. (mm) | T ±10% (mm) |
|---|---|---|---|
| GST30/12 | 30 | 12 | 2.3 |
| GST40/18 | 40 | 18 | 2.4 |
| GST50/20 | 50 | 20 | 2.4 |
| GST60/25 | 60 | 25 | 2.4 |
Technical Specification
Technical Specification
| PROPERTIES | VALUE | STANDARD |
|---|---|---|
| Physical | ||
| Tensile Strength | 12 Mpa (N/mm²) (min.) | ASTM D638 |
| Ultimate Elongation | 350% (Min.) | ASTM D638 |
| Longitudinal Change | -10% (Max.) | ASTM D2671 |
| Hardness | 45 ± 3 Shore D | ASTM D2240 |
| Water absorption | 1 % (max) | ASTM 570 |
| Thermal | ||
| Accelerated ageing | (120°C for 500 Hrs) | ASTM D2671 |
| Tensile Strength | 10 Mpa N/mm² (min.) | ASTM D 638 |
| Ultimate Elongation | 300% (Min.) | ASTM D 638 |
| Low Temperature Flexibility (-40°C for 4 Hrs.) | No Cracking | ASTM D2671 |
| Heat Shock (250°C for 30 Min.) | No Cracking or flowing | ESI 09-11 |
| Shrink Temperature | 125°C | IEC 216 |
| Continuous Temperature limit | -40°C to +110°C | IEC 216 |
| Electrical | ||
| Volume Resistivity | 1 x 10⁷ Ohm.cm (min.) | ASTM D257 |
| Dielectric Constant | 15 (min.) | ASTM D150 |
Certificates
FAQs
1. What is a Screened Separable Connector?
A Screened Separable Connector is a medium-voltage cable accessory used to connect power cables to transformers, switchgear, or other equipment. It is fully screened and separable, allowing safe installation, disconnection, and maintenance.
2. What voltage levels are Screened Separable Connectors used for?
They are commonly used for 3.6 kV to 36 kV medium-voltage applications, depending on the connector design and standards.
3. Where are Screened Separable Connectors typically used?
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